Sudoku Puzzle Volume 1 EBook contains total of 228 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish.
Each... More > individual puzzle has a single unique solution based on logical strategies and no "guessing" or "Trial & Error" are required.
Please note that this is a DRM FREE EPUB format EBook and you should be able to print your puzzles or solve them on any device that allows drawing or typing text over an image (EXAMPLE: Paint Application with the *.JPEG, *.GIF, *.PNG image) and it is not an interactive game.< Less

Sudoku Puzzle 16X16 Volume 5 EBook contains total of 114 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish.... More > This book was designed for more advanced sudoku players.
Each individual puzzle has a single unique solution based on logical strategies and no "guessing" or "Trial & Error" are required.
Please note that this is a DRM FREE EPUB format EBook and you should be able to print your puzzles or solve them on any device that allows drawing or typing text over an image (EXAMPLE: Paint Application with the *.JPEG, *.GIF, *.PNG image) and it is not an interactive game.< Less

Sudoku Puzzle 16X16 Volume 4 EBook contains total of 114 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish.... More > This book was designed for more advanced sudoku players.
Each individual puzzle has a single unique solution based on logical strategies and no "guessing" or "Trial & Error" are required.
Please note that this is a DRM FREE EPUB format EBook and you should be able to print your puzzles or solve them on any device that allows drawing or typing text over an image (EXAMPLE: Paint Application with the *.JPEG, *.GIF, *.PNG image) and it is not an interactive game.< Less

Sudoku Puzzle 16X16 Volume 3 EBook contains total of 114 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish.... More > This book was designed for more advanced sudoku players.
Each individual puzzle has a single unique solution based on logical strategies and no "guessing" or "Trial & Error" are required.
Please note that this is a DRM FREE EPUB format EBook and you should be able to print your puzzles or solve them on any device that allows drawing or typing text over an image (EXAMPLE: Paint Application with the *.JPEG, *.GIF, *.PNG image) and it is not an interactive game.< Less

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